Use Case Diagram for the Library Management System

Let’s build the use case diagram for the library management system and understand the relationships between its main actors, system functions, and user interactions. First, we will define the different elements of our library, followed by the complete use case diagram of the system.

System

Our system is the library management system. It manages the library’s catalog, member accounts, book transactions, and notifications.

Actors

Next, we will define the main actors of our library management system.

Primary actors

• Member: A library member who can search, reserve, borrow, renew, or return books, pay fines, and ...